Products

AR Dipotassium Hydrogen Phosphate 500g

    • Product Name: AR Dipotassium Hydrogen Phosphate 500g
    • Chemical Name (IUPAC): Potassium hydrogen phosphate
    • CAS No.: 7758-11-4
    • Chemical Formula: K2HPO4
    • Form/Physical State: Solid
    • Factroy Site: No.70 Danzishi Street,Nanan District,Chongqing,China
    • Price Inquiry: sales2@liwei-chem.com
    • Manufacturer: Chongqing Chuandong Chemical (Group) Co., Ltd
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    Specifications

    HS Code

    634108

    Product Name AR Dipotassium Hydrogen Phosphate
    Chemical Formula K2HPO4
    Molecular Weight 174.18 g/mol
    Purity Analytical Reagent (AR) grade
    Appearance White crystalline powder
    Cas Number 7758-11-4
    Packaging Size 500g
    Solubility In Water Easily soluble
    Storage Conditions Store in a cool, dry place
    Ph 8.5 - 9.6 (1% solution, 25°C)

    As an accredited AR Dipotassium Hydrogen Phosphate 500g factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The AR Dipotassium Hydrogen Phosphate packaging is a sturdy white plastic bottle, clearly labeled, containing 500g of high-purity chemical.
    Container Loading (20′ FCL) The 20′ FCL for AR Dipotassium Hydrogen Phosphate 500g refers to full-container loading of securely packed, 500g chemical bottles.
    Shipping Shipping for AR Dipotassium Hydrogen Phosphate (500g) is conducted in compliance with safety and regulatory standards. The product is securely packaged in a sealed, labeled container to prevent leakage or contamination. Delivery is handled by certified couriers specializing in chemical transport, ensuring prompt, safe, and tracked shipment to your specified address.
    Storage AR Dipotassium Hydrogen Phosphate 500g should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from moisture and incompatible substances such as acids. Keep it away from direct sunlight, heat sources, and strong oxidizers. Ensure the container is properly labeled, and avoid contamination. Store it on chemical shelves, following all relevant safety guidelines.
    Shelf Life The shelf life of AR Dipotassium Hydrogen Phosphate (500g) is typically 5 years if stored in a cool, dry place.
    Application of AR Dipotassium Hydrogen Phosphate 500g

    Purity 99%: AR Dipotassium Hydrogen Phosphate 500g with 99% purity is used in analytical chemistry laboratories, where it ensures high accuracy in quantitative analyses.

    Molecular Weight 174.18 g/mol: AR Dipotassium Hydrogen Phosphate 500g with molecular weight 174.18 g/mol is used in buffer preparation for biochemical assays, where it provides consistent molarity for reaction stability.

    pH Buffering Capacity: AR Dipotassium Hydrogen Phosphate 500g with strong pH buffering capacity is used in cell culture media formulation, where it maintains optimal physiological pH conditions.

    Solubility in Water 149 g/L (25°C): AR Dipotassium Hydrogen Phosphate 500g with water solubility of 149 g/L at 25°C is used in reagent preparation, where it enables rapid and complete dissolution.

    Stability Temperature up to 400°C: AR Dipotassium Hydrogen Phosphate 500g with stability up to 400°C is used in high-temperature industrial processes, where it maintains compound integrity without decomposition.

    Particle Size ≤100 µm: AR Dipotassium Hydrogen Phosphate 500g with particle size ≤100 µm is used in chromatography applications, where it ensures homogenous mixing and optimal resolution.

    Low Heavy Metals Content (<0.001%): AR Dipotassium Hydrogen Phosphate 500g with heavy metals content below 0.001% is used in pharmaceutical manufacturing, where it meets stringent purity requirements for safe drug formulation.

    Melting Point 340°C: AR Dipotassium Hydrogen Phosphate 500g with a melting point of 340°C is used in thermal calibration standards, where it provides reliable phase transition reference.

    Hygroscopic Nature: AR Dipotassium Hydrogen Phosphate 500g with controlled hygroscopicity is used in fertilizer blends, where it improves nutrient stability during storage and application.

    Assayed by Volumetric Titration: AR Dipotassium Hydrogen Phosphate 500g assayed by volumetric titration is used in standard solution preparation, where it offers precise concentration control.

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    Certification & Compliance
    More Introduction

    AR Dipotassium Hydrogen Phosphate 500g: Experience from Our Production Floor

    True-to-Process Quality: Our Perspective

    Every kilogram of AR Dipotassium Hydrogen Phosphate moving out of our tanks carries the result of years of applied chemistry, routine testing, and quite a bit of sweat from our operators. We set out to make a reagent-grade phosphate that researchers and quality assurance labs can count on. This specific 500g presentation comes in our standard model, with purity tailored for analytical work—ensuring no batches leave the plant with excessive impurities or hidden moisture content.

    Over time, we’ve dialed in what it takes to keep the consistency that analytical chemists need. Even trace metals slip through less guarded processes, so every lot receives checks for sodium, calcium, and iron contaminants. We’ve kept a sharp eye on residue after ignition, regularly measuring below standard limits for our AR grade. This keeps reactions clean, especially critical for anyone running calibrations or buffer preparations in labs where even a little contamination can throw off results.

    Our Focus on Specifications

    What sets our AR Dipotassium Hydrogen Phosphate apart is the tight control over every batch’s composition. Every shipment carries our assurance that potassium dihydrogen phosphate is not lingering above background, so pH adjustments using this salt won’t introduce unpredictable swings. Each bottle keeps moisture content low by controlling environmental factors and choosing high-barrier packaging, so granules don’t cake or degrade. We’ve engineered the bottle so that the entire 500 grams stores well, minimizing dust and static—which matters more than most folks realize until they try weighing fine crystalline powders during a humid summer week.

    With modern instrumentation and regular staff training, we track beyond just the conventional purity numbers. It’s common to run ion chromatography and spectral scans before bottling, catching everything from unexpected organics to accidental mix-ins from earlier runs. These steps add work for the team, but eliminate most rework and customer complaints about inconsistent results in sensitive chemical assays.

    Hands-On in Real Use: Why Reagent Grade Really Matters

    We don’t only see AR Dipotassium Hydrogen Phosphate as piles of white crystalline powder on the packing line. Our engineers work closely with R&D partners and routine quality control labs, so we know firsthand what happens when a buffer solution’s pH won’t stabilize or when conductivity results seem off. Each time, lower grade materials traced back to small unassessed impurities have been the culprit.

    Some manufacturers offer food or technical grade phosphates at a fraction of the price. Those find a role in fertilizer injection systems or certain industrial rinsing baths, but any attempt to substitute them where high precision measurements matter usually results in batch failures. Our focus has always stayed with AR grade for this reason. Reliable analytical data starts with chemicals whose composition is as predictable as our process—in this case, less than a whisker’s deviation lot to lot.

    It’s easy to overlook invisible differences until sample sizes run small, or methods rely on small pH differences—think forensic labs, pharmaceutical research, or environmental monitoring. Even slight shifts in acidity or baseline conductivity can mean weeks of lost work. Experience shows that researchers prefer not to risk commercial or academic deadlines to save a few percent on raw material costs, especially where repeatability is non-negotiable.

    The Role in Laboratory and Industrial Practice

    Most users find AR Dipotassium Hydrogen Phosphate first when building up buffers for pH-sensitive studies in biochemistry or analytical chemistry. The common mix with potassium dihydrogen phosphate allows for stable, reproducible phosphate buffers. These keep protein samples, cultures, and detector lines stable throughout extended study or production runs. We’ve watched clients move to AR grade after inconsistencies emerged during regulatory audits or scale-up trials; each found the investment paid dividends in saved investigative time.

    Buffer reliability holds especially true for HPLC mobile phase setups and quality assurance labs in pharmaceuticals, where any metallic trace can impair chromatography columns or degrade active ingredients. They count on AR materials that don’t bring along leachable components. No batch gets released until our checks confirm trace analysis below the strictest limits. These are boring but necessary steps for manufacturer trust—something the market sometimes underestimates until problems surface downstream.

    Beyond routine buffer use, AR grade comes up in fertilizer quality control, food safety testing, and environmental lab routines. In our production, every time a customer switches to our AR Dipotassium Hydrogen Phosphate from a technical-grade substitute, we field fewer calls about cloudy solutions, pH drift, or erratic calibration curves. That lets analysts focus on producing data, not troubleshooting raw chemical variance.

    Packaging, Handling, and Practical Experience

    After producing large lots, we portion AR Dipotassium Hydrogen Phosphate into robust, chemically-resistant bottles. Every cap comes with a tamper-evident seal. This minimizes air exposure after filling. During our own internal work, we saw how subpar packaging—all too common in low-cost options—lets in enough moisture to change measured mass by several tenths of a percent during routine weighing. In long-term storage scenarios, this seemingly small flaw becomes a big variable.

    Production includes several automatic sieving and anti-static steps so that chemists don’t face compacted or hard-crusted powder at the bottom of a bottle. Easy dissolution also features in our quality checks; if residue or sluggish dissolving crops up during in-house sampling, that batch never leaves our doors.

    Feedback from regular users also prompted minor tweaks in jar design over the years. From easier grip profiles to improved pour spouts, these changes directly respond to the realities of busy lab benches. While most wouldn’t comment on packaging, the difference shows up through less spillage, easier scooping, and more reliable mass readings for precision balances.

    What Stands Out Against Other Products

    One detail that comes up in direct comparison with competing products is just how critical the absence of trace elements becomes in real-world lab conditions. Technical grade dipotassium hydrogen phosphate often comes with a slight gray or dull hue or clumps together more quickly after opening. Our AR grade maintains a true white, free-flowing consistency across all batches. The distinction reflects not only the controlled raw materials but also the care we take to prevent cross-contamination. Dedicated production lines and scheduled cleaning cycles, monitored with both visual and instrumental checks, add a level of control that saves headaches later.

    Material from less experienced suppliers sometimes includes residues from upstream chemical steps. These may ride along in concentrations too low for most industrial customers to care, but they show up at the wrong moment for an inter-laboratory study or finished product release. Years of feedback and post-market analysis convinced us to stick with only carefully selected reagents from vetted vendors for our own synthesis, closing the loop on unexpected contaminants.

    We keep detailed records of every lot, so any deviation in expected analytical performance gets traced back quickly. Our clients point to this as a major decision factor, and our own teams benefit in troubleshooting and continuous improvement. We often receive requests for custom certificates or archived data sets from earlier lots; these are always ready, because traceability isn’t a luxury in chemical manufacturing—it’s basic risk management.

    Challenges in Manufacturing and How We Address Them

    Producing AR Dipotassium Hydrogen Phosphate demands focus beyond standard synthesis. One lesson learned involves minimizing batch variability due to environmental shifts, especially humidity during crystallization and drying. Our process runs in climate-controlled rooms with continuous real-time monitoring. This fixes the usual source of variable moisture readings—one of the most common complaints facing generic sources.

    Scaling up to handle increased demand while retaining reagent reliability meant automating several process points. Instrumentation now logs temperature, dosing rate, and agitation speed. This data feeds directly to our batch records—enabling us to identify deviations that would add uncertainty for the customer. The resulting AR product consistently meets or beats published analytical standards, proven through spot checks and collaborative round-robin tests with trusted labs.

    Occasionally, impurities show up from upstream processing that simply do not dissolve out by routine washing. Our approach has been to develop extra purification cycles along the workflow, sometimes sacrificing throughput in exchange for higher purity. Operators calibrate and clean kettle internals between campaigns; anything less would undermine the expected quality found in AR Dipotassium Hydrogen Phosphate. Staff learn to spot tell-tale changes in color or flow long before they reach downstream packaging, keeping intervention timely.

    Continual Improvement Driven by Experience

    Innovation in chemical manufacturing often looks like small, persistent process improvements. We fine-tuned our AR Dipotassium Hydrogen Phosphate’s production by listening to feedback from the ground up—receiving phone calls about granule flow, additional scanning for low-level contaminants, or building in redundant product identification on packaging to prevent laboratory mix-ups. These are practical responses, not pie-in-the-sky upgrades, based on direct conversations with routine users ranging from large analytical centers to small batch food chemistry testers.

    Our plant teams attend workshops, compare samples with international reference standards, and stay current with regulatory updates. Occasionally, we participate in industry-wide proficiency tests, where results help us benchmark and recalibrate our own standards. Every anomaly, even small, gets reviewed, traced, and addressed, so every bottle of AR Dipotassium Hydrogen Phosphate carries that cumulative learning forward.

    Building Trust Over Time

    We’ve watched supply chain pressures push some towards cheaper, inconsistent grades, often just to save on apparent bottom lines. Years of repair work, from fielding support inquiries to running lab diagnostics, revealed all too clearly where low-end products hurt: wasted staff time, missed regulatory tolerance windows, and delays in development programs. For us, investing in reagent grade production means investing in each client’s stability and success.

    We have supplied AR Dipotassium Hydrogen Phosphate across education, research, and regulated industries. The stories that come back—failed experiments due to questionable raw materials, or unexpected regulatory questions on substance identity—reaffirm the value of relentless quality control and process transparency. Building trust means each new chemist or technician opening a fresh bottle expects, and receives, the same performance as the last.

    Commitment to Safety and Responsibility

    Every step in our production—from raw material receipt to final seal—centers on safety and stewardship. Operators wear suitable PPE, handle dust and waste responsibly, and train in both standard operating procedures and emergency response. We meet or exceed workplace safety regulations every day, not because it makes for good marketing copy, but because chemical manufacturing depends on clean, controlled, and accountable operations.

    Waste streams are analyzed and neutralized before disposal, minimizing impact on both personnel and the environment. By investing in these controls, our AR Dipotassium Hydrogen Phosphate stands as one outcome among many that reflects the company’s responsibility to those who use our products and those who share our environment. These choices play out not just in customer labs, but in the communities around our facilities.

    Looking Forward: Meeting Tomorrow’s Demands

    Demand continues to evolve. Customers ask for more stringent impurity thresholds and transparency in supply. Our focus remains fixed on enabling exacting research and analytical work. We plan continued investment in on-site instrumentation, tightening controls, and supporting customer audits where necessary. R&D doesn’t rest, and neither do our efforts to improve process yields or analytical depth.

    By listening closely to those using AR Dipotassium Hydrogen Phosphate in the field and never compromising on process fundamentals, we shape our practices for the future. Staying engaged in industry dialogue and responding openly to traceability and quality questions helps ensure the end product always lives up to the high expectations set by generations of scientists and technicians. As researchers, educators, and regulators continue raising the bar, we stand ready to deliver reliable AR chemicals batch after batch—a commitment written into every bottle we fill.